A practical method to jump to the parent page in PHP

Title: A practical method to jump to the parent page in PHP

In developing web applications, we often encounter the need to jump to the parent page in PHP Requirements for parent pages. This function can be achieved through the following code example:

<?php
// 获取当前页面的URL
$currentUrl = $_SERVER['HTTP_REFERER'];

// 使用header函数进行跳转
header("Location: $currentUrl");
?>

In the above code, the URL of the current page is first obtained, and then the PHP header function is used to jump to the parent page. With this method, after the user completes the operation on the current page, he or she will jump to the source page where the page was previously accessed.

In actual applications, it can be adjusted and optimized according to specific needs and logic to ensure that the function of jumping to the parent page can operate normally. At the same time, it can also be combined with other technologies such as JavaScript to implement more complex jump logic.

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